toUpperCase

public string toUpperCase()

A new string with all characters of the original string converted to uppercase letters.

Converts each character of the string to its equivalent Unicode uppercase character and returns the result. For characters that have no Unicode uppercase equivalent, the character is not substituted.

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import System;   string lowercase = "abc"; string uppercase = lowercase.toUpperCase(); Console.log(uppercase); // "ABC"

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import System;   string lowercase = "�"; string uppercase = lowercase.toUpperCase(); Console.log(uppercase); // "�"